﻿// Spun AJAX Framework
// Copyright (C) 2008 Blake Hegerle
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

namespace Formality.Parsing.ContextFree
{
    public interface ISymbol : Identified
    {
        string Name { get; }
    }

    public class Symbol : ISymbol
    {
        protected Symbol(string Name) { this.name = Name; }

        public virtual string Name { get { return name; } }
        public int Id { get; set; }

        public override string ToString() { return Name; }

        private string name;
    }

    public abstract class Symbol<S> : Symbol
    {
        protected Symbol(string Name)
            : base(Name)
        { }
    }
}
